Beginning of autumn 24 solar terms

Beginning of autumn is the 13 solar term in 24 solar terms, and beginning of autumn falls on August 8th or 9th every year. "Autumn" means that summer is cool, which means the beginning of autumn. When you arrive in beginning of autumn, the plane tree will definitely begin to shed its leaves, which is why there is an idiom "When you lose a leaf, you will know autumn". Literally, the word "autumn" consists of "valley" and "fire", indicating the maturity of five grains. Beginning of autumn is the first solar term in autumn, and autumn is a transitional season from hot to cold, and then from cold to cold. Beginning of autumn: One of the 24 solar terms in the China lunar calendar, which falls on August 7th, 8th or 9th. In China, beginning of autumn is the beginning of autumn. On August 7th or 8th every year, beginning of autumn is considered as the time when the sun reaches 135. Twenty-four solar terms: "July Festival, set up a word to solve spring (beginning of spring). Autumn is also awkward, and this is the thing. " Beginning of autumn generally indicates that hot summer is coming and autumn is coming. After beginning of autumn, although the summer heat is hard to get rid of for a while, there is still the afterglow of "autumn tiger". beginning of autumn is also called beginning of autumn, but the general trend is that the weather is getting colder and colder. Due to the different climates in different parts of the country, the start time of autumn is also inconsistent. In climatology, autumn begins with the day when the daily average temperature drops steadily below 22℃ every five days. This division method is in line with the local reality, but it is quite different from the date of beginning of autumn in the middle and lower reaches of the Yellow River. After beginning of autumn, early rice harvest, late rice transplanting and autumn crops entered an important growth and development period in central China. Autumn means that summer is cool and autumn begins. The ancients regarded beginning of autumn as an important moment at the turn of summer and autumn, and always attached great importance to this solar term. According to the article, China divided beginning of autumn into three periods in ancient times: "First, wait for the cool breeze;" Second, wait for the white deer to be born; Third-class chilling. " This means that after beginning of autumn, people will feel cool when it is windy, and the wind at this time is different from the hot air in summer; Then, there will be fog on the earth in the morning; And cicadas who feel gloomy and sing in autumn also begin to sing. According to records, the plane tree planted in the basin was moved into the temple by Li Qiuqiu Palace in the Song Dynasty. It's time for "beginning of autumn". Tai Shigong shouted, "Autumn is here." After the play, the phoenix tree dropped one or two leaves to express autumn. Meteorological standards Autumn colors are divided into seasons according to climatological standards. In the second half of the year, the average daily temperature dropped below 22℃, which was beginning of autumn. Apart from the summer-free areas connected with the Spring and Autumn Period, there are few areas in China where "beginning of autumn" enters autumn. Heilongjiang and northern Xinjiang are the earliest areas in Qiu Lai, and will also fall in mid-August. Generally speaking, the autumn wind in Beijing, the capital, will be cooler in early September, and the autumn around Qinhuai begins in mid-September. In early June, the autumn wind will blow to Lishui, Zhejiang, Nanchang, Jiangxi and Hengyang, Hunan. The information of early autumn in June will reach Leizhou Peninsula in 438+065438+ 10. When will the footsteps of autumn come? " The natural phenomenon in autumn is "it's so hot after autumn". Before and after beginning of autumn, the temperature in most parts of China was still high. All kinds of crops grow vigorously, with mid-season rice flowering and fruiting, single-late round stalks, soybean pods, corn sprouting and spinning, cotton bolling, and sweet potato blocks expanding rapidly. The demand for water is very urgent. The drought in this period will cause irreparable damage to the final harvest of crops. Therefore, there are sayings that "the rice turns into rice after three rains in beginning of autumn" and "the autumn rain is falling, and gold is everywhere". Double-night growth is in a high-temperature to low-temperature environment, so we must seize the favorable opportunity of high temperature, topdressing and ploughing to strengthen management. At present, it is also an important period for cotton to protect peaches and catch autumn peaches. "Cotton stands in autumn, and the height is pulled together. "In addition to applying quick-acting fertilizer to fields with poor growth, timely topping, pruning, removing old leaves and wiping redundant buds, reducing rotten and dropped bolls and promoting normal and mature boll spitting. Autumn ploughing in tea garden should be carried out as soon as possible. As the agricultural proverb says, "seven gold diggers and eight silver diggers", autumn tillage can eliminate weeds, loosen soil and improve water conservation and storage capacity. If combined with fertilization, autumn shoots can grow better. Before and after beginning of autumn, the northern Chinese cabbage should be sown quickly to ensure sufficient heat conditions before the low temperature comes, and strive for high yield and high quality. Sowing is too late, the growth period is shortened, the growth of vegetable trees is small, and the core is not solid. Beginning of autumn season is also a concentrated period of many crop diseases and insect pests, such as yellow rice borer, rice leafhopper, rice planthopper, cotton bollworm and corn borer. Therefore, it is necessary to strengthen prediction and prevention. The sowing of winter wheat in the north is about to begin, and preparations such as soil preparation and fertilization should be made as soon as possible. The original text comes from